Analog-to-digital converter including a plurality of...

Details Analog-to-digital converter including a plurality of... Analog-to-digital converter including a plurality of...

2006-08-22

2006-08-22

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S156000, C341S161000, C341S162000, C341S163000

Reexamination Certificate

active

07095352

ABSTRACT:
An AD converter includes therein a plurality of amplifier circuits such as first to fourth amplifier circuits. Among the plurality of amplifier circuits an amplifier circuit that requires higher accuracy is placed nearer to a power source. An amplifier circuit that receives the first input of an input analog signal is placed nearest to the power source. That is, the first amplifier circuit in the embodiment is disposed closest to the power source. The amplifier circuit that receives the first input of an input analog signal is disposed closest to the power source compared to the other amplifier circuits. The first amplifier circuit, the second amplifier circuit, the third amplifier circuit and the fourth amplifier circuit in the embodiment are placed in this order of how close to the power source.

REFERENCES:
patent: 5159342 (1992-10-01), Yotsuyanagi
patent: 5966088 (1999-10-01), Matsumoto et al.
patent: 6195032 (2001-02-01), Watson et al.
patent: 6710735 (2004-03-01), Lin
patent: 6859158 (2005-02-01), Wada et al.
patent: 6882297 (2005-04-01), Wada et al.
patent: 4-26229 (1992-01-01), None

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